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miss Akunina [59]

3 years ago

14

Complete the table and graph the relation, y=-4x + 3 on grid paper. Choose at least 5X- values some negative some positive you c

an use the grade below if you like. PLZ HELP ILL MARK BRAIN LIST AND EXTRA MARKS!

1 answer:

const2013 [10]3 years ago

6 0

Answer bottom right mark -4 and 3 up

Step-by-step explanation:

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At a certain store the taco sauce was on sale for 1/5 off.with a coupon for an additional 40 cents off, the final cost of the sa

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Draw coins to show 39cents. Describe how to count to find the total value of this group of coins.

Kobotan [32]

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3 years ago

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Find the slope-intercept form of the equation of the line passing through the given points.

Ugo [173]

$The\ slope-intercept\ form:y=mx+b\\\\The\ slope-point\ form:y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

$(1;\ 1)\to x_1=1;\ y_1=1\\\left(3;-\dfrac{1}{5}\right)\to x_2=3;\ y_2=-\dfrac{1}{5}.\\\\Subtitute:\\\\m=\dfrac{-\frac{1}{5}-1}{3-1}=\dfrac{-1\frac{1}{5}}{2}=-\dfrac{\frac{6}{5}}{2}=-\dfrac{\not6^3}{5}\cdot\dfrac{1}{\not2_1}=-\dfrac{3}{5}$

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5 0

4 years ago

What is the nth term of the geometric sequence -2,10,-50

poizon [28]

Answer:

$T_n=-1(-5)^n^-^1$

Step-by-step explanation:

We are given;

A geometric sequence;

-2,10,-50

Required to determine the nth term

The nth term in a geometric sequence is given by the formula;

$T_n=a_1r^n^-^1$

where $a_1$ is the first term and r is the common ratio;

In this case;

$a_1=-2$

r = 10 ÷ -2

= -5

Therefore;

To get the nth term in the given geometric sequence we use;

$T_n=-1(-5)^n^-^1$

Thus, the nth term is $T_n=-1(-5)^n^-^1$

3 0

3 years ago

A rock is projected directly upward from ground level with an initial velocity of 90 ft/sec. After how many seconds will it retu

Nastasia [14]

For this case we have the following equation of motion:
h (t) = -16t ^ 2 + 90t
Equaling the equation to zero we have:
-16t ^ 2 + 90t = 0
We look for the roots of the polynomial:
(t) (- 16t + 90) = 0
t1 = 0 (initial position)
t2 = 90/16 = 5.625 s (time it reaches the ground again)
Answer:
it will return to the ground in:
t = 5.625 s

4 0

4 years ago